Sherry is a production manager for a small manufacturing shop and is interested in developing a predictive

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Sherry is a production manager for a small manufacturing shop and is interested in developing a predictive model to estimate the time to produce an order of a given size—that is, the total time to produce a certain quantity of the product. She has collected data on the total time to produce 30 different orders of various quantities in the file Setup. 

a. Develop a scatter diagram with quantity as the independent variable. 

b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? 

c. Develop the estimated regression equation. Interpret the intercept and slope. 

d. Test for a significant relationship. Use .05. 

e. Did the estimated regression equation provide a good fit?

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Statistics For Business & Economics

ISBN: 9781337901062

14th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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